{"instruction": "You are an expert in event extraction. Please extract events from the input that conform to the schema definition. Return an empty list for events that do not exist, and return NAN for arguments that do not exist. If an argument has multiple values, please return a list. Respond in the format of a JSON string.", "schema": [{"event_type": "adverse event", "trigger": true, "arguments": ["Combination.Drug", "Treatment.Time_elapsed", "Subject.Race", "Subject.Age", "Treatment.Route", "Subject.Disorder", "Treatment.Drug", "Treatment.Dosage", "Subject", "Treatment.Duration", "Subject.Population", "Treatment", "Treatment.Disorder", "Subject.Gender", "Effect", "Treatment.Freq"]}, {"event_type": "potential therapeutic event", "trigger": true, "arguments": ["Effect", "Subject.Population", "Subject.Race", "Treatment.Freq", "Combination.Drug", "Treatment.Dosage", "Treatment.Route", "Treatment.Duration", "Treatment.Drug", "Subject.Disorder", "Treatment", "Treatment.Time_elapsed", "Subject.Gender", "Subject.Age", "Subject", "Treatment.Disorder"]}], "input": "Chlormadinone acetate withdrawal syndrome under combined androgen blockade for advanced prostate cancer."}
{"adverse event": [], "potential therapeutic event": [{"trigger": "under ", "arguments": {"Effect": "NAN", "Subject.Population": "NAN", "Subject.Race": "NAN", "Treatment.Freq": "NAN", "Combination.Drug": ["Chlormadinone acetate", "androgen blockade"], "Treatment.Dosage": "NAN", "Treatment.Route": "NAN", "Treatment.Duration": "NAN", "Treatment.Drug": ["androgen blockade", "Chlormadinone acetate"], "Subject.Disorder": "NAN", "Treatment": ["androgen blockade", "Chlormadinone acetate"], "Treatment.Time_elapsed": "NAN", "Subject.Gender": "NAN", "Subject.Age": "NAN", "Subject": "NAN", "Treatment.Disorder": "advanced prostate cancer"}}]}